TY - JOUR AU - Kh. D. Ikramov TI - On sufficient conditions for the existence of a~unitary congruence transformation of a~given complex matrix into a~real one JO - Zapiski Nauchnykh Seminarov POMI PY - 2010 SP - 38 EP - 46 VL - 382 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2010_382_a2/ LA - ru ID - ZNSL_2010_382_a2 ER -